GATE EE 1992
View Questions

GATE EE

In the following circuit the $$5$$ $$V$$ zener diode requires a minimum current of $$10$$ $$mA.$$ For obtaining a regula
View Question
In the circuit shown in figure calculate and sketch the wave form of current $$'i'$$ over one period of the i/p voltages
View Question
An ideal op-amp is used to make an inverting amplifier. The two input terminals of the op-amp are at the same potential
View Question
The Circuit shown in figure is excited by the input wave form shown. Sketch the wave form of the output. Assume all the
View Question
In the following circuit the output $$'V'$$ follows an equation of the form $${{{d^2}V} \over {d{t^2}}} + a.{{dV} \over
View Question
$$(a)$$ For the circuit shown in figure $$(i)$$ Calculate the transfer function $${{{V_0}} \over {{V_i}}}$$ $$(ii)$$
View Question
In a common Emitter amplifier, the un bypassed emitter resistance provides
View Question
The voltage series feedback in a feedback amplifier leads to
View Question
In an $$RC$$- coupled common Emitter amplifier which of the following is true?
View Question
For the $$JFET$$ amplifier shown in figure $$\mu = 100,\,{r_d} = 50k\Omega $$ $$(i)$$ Draw the $$AC$$ equivalent circu
View Question
The overall transfer function of the system in Figure, is
View Question
For what values of $$'a'$$ does the system shown in figure have a zero steady state error $$\left[ {i.e.,\mathop {Lim}\l
View Question
For what range of $$K$$ is the following system (Figure) asymptotically stable Assume $$K \ge 0$$
View Question
Which of the following figure(s) represent valid root loci in the $$s$$ - plane for positive $$K?$$ Assume that the syst
View Question
A unity feedback system has the open loop transfer function $$G\left( s \right) = {1 \over {\left( {s - 1} \right)\left(
View Question
If the $$HLT$$ instruction of a $$8085$$ microprocessor is executed,
View Question
All the resistances in the circuit of Fig. are of 1 $$\Omega$$ each. The value of current 'I' is
View Question
Resistances in the circuit of fig. are of R $$\Omega$$ each. The switch is initially open. What happens to the lamp's in
View Question
The equivalent inductance seen at terminals $$A-B$$ in Fig. is .................... $$H.$$
View Question
In the circuit of Fig, the switch $$'S'$$ is closed at $$t=0$$ with $${i_L}\left( 0 \right) = 0$$ and $${V_C}\left( 0 \
View Question
The time constant of the network shown in Fig. is
View Question
Using Thevenin equivalent circuit, determine the $$rms$$ value of the voltage across the $$100$$ $$ohm$$ resistor after
View Question
A resistance is measured by the voltmeter- ammeter method employing d.c. excitation and a voltmeter of very high resista
View Question
An unshielded moving iron voltmeter is used to measure the voltage in an a.c. circuit. If a stray d.c. magnetic field ha
View Question
In $$d.c.$$ potentiometer measurements, a second reading is often taken after reversing the polarities of the $$s.c.$$ s
View Question
In a dual slope integrating type digital voltmeter the first integration is carried out for $$10$$ periods of the supply
View Question
The torque angle of a synchronous machine operating from a constant voltage bus, is usually defined as the space angle b
View Question
The developed electromagnetic force and or torque in electro $$-$mechanical energy conversion systems act in a directi
View Question
Figure depicts the load characteristics of an constant speed. Match the following sets of operating conditions with the
View Question
Neglecting all losses, the developed torque $$(T)$$ of $$d.c.$$ separately excited motor, operating under constant termi
View Question
A separately excited $$d.c.$$ motor has an armature resistance of $$0.5$$ $$ohm.$$ It runs off a $$250$$ $$V$$ $$d.c.$$
View Question
Two transformers of the same type, using the same grade of iron and conductor materials, are designed to work at the sam
View Question
Two transformers of different $$kVA$$ ratings workings in parallel share the load in proportion to their ratings when th
View Question
Which of the following equations represents the Gauss's law in a homogeneous isotropic medium?
View Question
An electrostatic potential is given by $$\phi=2x\sqrt y$$ volt in the rectangular co-ordinate system. The magnitude of t
View Question
In the circuit shown in fig, $$L$$ is large and the average value of $$'i'$$ is $$100A.$$ The thyristor is gated in the
View Question
The inductance of a power transmission line increases with
View Question
The selection of size of conductors for a distributor in a distribution system is governed by
View Question
A Buchholz relay is used for
View Question
In load flow studies of a power system, the quantities specified at a voltage-controlled bus are ____________and________
View Question
The impulse response of a network is $$h\left( t \right) = 1$$ for $$0 \le t < 1$$ and zero otherwise. Sketch the im
View Question
Match the following transfer functions and impulse responses Transfer functions $$\eqalign{ & \left( a \right)\,\,
View Question
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12